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Drug Delivery Device with Means for Disabling Activation of Expelling Mechanism

  • US 20160089500A1
  • Filed: 05/20/2014
  • Published: 03/31/2016
  • Est. Priority Date: 05/21/2013
  • Status: Abandoned Application
First Claim
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1. A drug delivery device adapted to receive a cartridge comprising a cylindrical body portion, a distal outlet portion and an axially displaceable piston, the drug delivery device comprising:

  • a housing,a cartridge holder adapted to receive and hold a cartridge, having;

    a receiving state in which a cartridge can be inserted and received, anda holding state in which an inserted cartridge is held in an operational position,an expelling assembly comprising;

    a piston rod adapted to engage and axially displace a piston in a loaded cartridge in a distal direction to thereby expel a dose of drug from the cartridge, anda drive assembly comprising;

    drive structure adapted to move the piston rod in the distal direction and comprising a drive spring,setting structure means allowing a user to simultaneously set a dose amount to be expelled and strain the drive spring correspondingly, anduser actuated release structure means for releasing the drive spring to thereby move the piston rod in the distal direction corresponding to the set dose,wherein the drive assembly cannot be released to move the piston rod unless the cartridge holder is in the holding state.

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